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Table 1 Example of Subject Stratification for SSS, Rows Indicate the Treatment Arms, Columns Indicate Strata and Cell Values Indicate the Number of Participant

From: A comparison of missing data methods for hypothesis tests of the treatment effect in substance abuse clinical trials: a Monte-Carlo simulation study

 

Strata

Treatment

1

2

4

5

8

Placebo

10

7

15

14

38

Drug

12

10

5

14

40

Total

22

17

20

28

78